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LMR821G Dataheets PDF



Part Number LMR821G
Manufacturers Rohm
Logo Rohm
Description Low Power Ground Sense Operational Amplifiers
Datasheet LMR821G DatasheetLMR821G Datasheet (PDF)

Datasheet Operational Amplifiers Low Power Ground Sense Operational Amplifiers LMR821G ●General Description Ground Sense Low Voltage Op-Amp integrates single Op-Amp on a single chip. Especially, these series are operable with low voltage and low supply current. ●Features  Low operating supply voltage  Input Ground Sense, Output Full Swing  High large signal voltage gain  High Slew Rate  Low supply current  Low input offset voltage ●Applications  Customer electronics  Buffer  Active fil.

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Datasheet Operational Amplifiers Low Power Ground Sense Operational Amplifiers LMR821G ●General Description Ground Sense Low Voltage Op-Amp integrates single Op-Amp on a single chip. Especially, these series are operable with low voltage and low supply current. ●Features  Low operating supply voltage  Input Ground Sense, Output Full Swing  High large signal voltage gain  High Slew Rate  Low supply current  Low input offset voltage ●Applications  Customer electronics  Buffer  Active filter  Mobile equipment ● Simplified Schematic ●Key Specifications  Low Operating Supply Voltage (single supply): +2.5V to +5.0V  High voltage gain (RL=600Ω): 105dB (Typ.)  Wide Temperature Range: -40°C to +85°C  High Slew Rate: 2.0V/μs (Typ.)  Low Input Offset Voltage: 3.5mV (Max.)  Low Input Bias Current: 30nA (Typ.) ●Package SSOP5 W(Typ.) xD(Typ.) xH(Max.) 2.90mm x 2.80mm x 1.25mm VDD +IN OUT -IN class AB control VSS Figure 1. Simplified Schematic (1 channel only) ○Product structure:Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays. www.rohm.com ©2013 ROHM Co., Ltd. All rights reserved. TSZ22111・14・001 1/18 TSZ02201-0RAR1G200490-1-2 18.JAN.2013 Rev.001 Free Datasheet http://www.datasheet4u.com/ LMR821G ●Pin Configuration LMR821G (SSOP5) Pin No. Pin Name +IN VSS -IN OUT VDD Datasheet +IN 1 + - 5 VDD 1 2 3 4 VSS 2 -IN 3 4 OUT 5 Package SSOP5 LMR821G ●Ordering Information L M R 8 2 1 G - TR Packaging and forming specification TR: Embossed tape and reel (SSOP5) Part Number LMR821 Package G:SSOP5 ●Line-up Topr -40°C to +85°C ●Absolute Maximum Ratings(Ta=25°C) Parameter Supply Voltage Power dissipation Differential Input Voltage*3 Input Common-mode Voltage Range Operable with low voltage Operating Temperature Storage Temperature Maximum Junction Temperature Symbol VDD-VSS Pd SSOP5 Vid Vicm Vopr Topr Tstg Tjmax Ratings +7 675*1*2 VDD to VSS (VSS - 0.3) to (VDD + 0.3) +2.5 to +5.0 - 40 to +85 - 55 to +150 +150 Unit V mW V V V °C °C °C SSOP5 Package Reel of 3000 Operable Part Number LMR821G-TR Note: Absolute maximum rating item indicates the condition which must not be exceeded. Application of voltage in excess of absolute maximum rating or use out absolute maximum rated temperature environment may cause deterioration of characteristics. *1 To use at temperature above Ta=25°C reduce 5.4mW/°C. *2 Mounted on a FR4 glass epoxy PCB(70mm×70mm×1.6mm). *3 The voltage difference between inverting input and non-inverting input is the differential input voltage. Then input terminal voltage is set to more than VSS. www.rohm.com ©2013 ROHM Co., Ltd. All rights reserved. TSZ22111・15・001 2/18 TSZ02201-0RAR1G200490-1-2 18.JAN.2013 Rev.001 Free Datasheet http://www.datasheet4u.com/ LMR821G ●Electrical Characteristics: ○LMR821G (Unless otherwise specified VDD=+2.7V, VSS=0V) Parameter Input Offset Voltage *4*5 Input Offset Voltage Drift Input Offset Current*4 Input Bias Current *4 Supply Current*5 Maximum Output Voltage(High) Maximum Output Voltage(Low) Large Signal Voltage Gain Input Common-mode Voltage Range Common-mode Rejection Ratio Power supply reject-ratio Output Source Current *6 Output Sink Current *6 Slew Rate Gain Bandwidth Phase Margin Gain Margin Input Referred Noise Voltage Total Harmonic Distortion + Noise *4 *5 *6 Datasheet Symbol Vio ΔVio/ΔT Iio Ib IDD VOH VOL Av Vicm CMRR PSRR Isource Isink SR GBW θ GM Vn THD+N Temperature Range 25°C Full Range 25°C 25°C 25°C 25°C Full range 25°C 25°C 25°C 25°C 25°C 25°C 25°C 25°C 25°C 25°C 25°C 25°C 25°C 25°C Limits Min. 2.50 2.60 95 VSS 70 75 12 12 Typ. 1 1 0.5 30 220 2.58 2.66 130 80 100 100 85 85 16 26 1.5 4.5 45 4.5 45 0.01 Max. 3.5 4 30 90 300 500 200 120 VDD-0.9 - Unit mV μV/°C nA nA μA V mV dB V dB dB mA mA V/μs MHz Deg dB nV/ Hz Condition VDD=2.5V to 5.0V Av=0dB, VIN=1.35V RL=600Ω to VDD/2 RL=2kΩ to VDD/2 RL=600Ω to VDD/2 RL=2kΩ to VDD/2 RL=600Ω to VDD/2 RL=2kΩ to VDD/2 VSS to VDD VCM=0.5V VDD=2.7V to 5.0V VCM=1V OUT=0V, short current OUT=2.7V, short current CL=25pF CL=25pF, Av=40dB f=1MHz CL=25pF, Av=40dB CL=25pF, Av=40dB f=1kHz OUT=2.2VP-P, f=1kHz RL=10kΩ Av=0dB, DIN-AUDIO % Absolute value. Full range: Ta=-40°C to +85°C Under the high temperature environment, consider the power dissipation of IC when selecting the output current. When the terminal short circuits are continuously output, the output current is reduced to climb to the temperature inside IC. ○LMR821G (Unless otherwise specified VDD=+2.5V, VSS=0V) Parameter Input Offset Voltage *7 Maximum Output Voltage(High) Maximum Output Voltage(Low) *7 Absolute value. Symbol Vio VOH VOL Temperature Range 25°C Full Range 25°C 25°C Limits Min. 2.30 2.40 Typ. 1 2.37 2.46 130 80 Max. 3.5 4 200 120 Unit mV V mV Condition VDD=2.5V to 5.0V RL=600Ω to VDD/2 RL=2kΩ to VDD/2 RL=600Ω to VDD/2 RL=2kΩ to VDD/2 www.rohm.com ©2013 ROHM Co., Ltd. All rights reserved. TSZ22111・15・001 3/18 TSZ02201-0RAR1G200490-1-2 18.JAN.2013 Rev.001 F.


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